Clarifying the role of ATOH7 in glaucoma endophenotypes

TY - JOUR

T1 - Clarifying the role of ATOH7 in glaucoma endophenotypes

AU - Venturini, Cristina

AU - Nag, Abhishek

AU - Hysi, Pirro G

AU - Wang, Jie Jin

AU - Wong, Tien Y

AU - Healey, Paul R

AU - Mitchell, Paul

AU - Hammond, Christopher J

AU - Viswanathan, Ananth C

AU - Wellcome Trust Case Control Consortium 2, BMES GWAS Group

PY - 2014/1/23

Y1 - 2014/1/23

N2 - Background/aims The ATOH7 gene has been previously associated with glaucoma and glaucoma-related traits, such as disc size and cup/disc ratio (CDR). CDR is an important part of the glaucoma phenotype, whereas the relationship between the disc size and the disease is not well understood. The aim of this study was to investigate whether ATOH7 is associated independently with CDR or merely with the size of the optic disc.Method We carried out an association analysis for a candidate region, including ATOH7 for two populations: the Blue Mountains Eye Study and the TwinsUK cohort. We performed three linear regression models for (1) disc size adjusted on age, sex and intraocular pressure (IOP), (2) CDR adjusted on age, sex and IOP and (3) CDR adjusted on age, sex, IOP and disc size.Results A strong signal was found at rs7916697 for disc size. This single nucleotide polymorphism (SNP) was also associated with CDR adjusted on age, sex and IOP.However, this SNP was not associated with CDR when adjusted on age, sex, IOP and also disc size.Conclusions This study finds that ATOH7 is associated with optic disc size but not independently with CDR.

AB - Background/aims The ATOH7 gene has been previously associated with glaucoma and glaucoma-related traits, such as disc size and cup/disc ratio (CDR). CDR is an important part of the glaucoma phenotype, whereas the relationship between the disc size and the disease is not well understood. The aim of this study was to investigate whether ATOH7 is associated independently with CDR or merely with the size of the optic disc.Method We carried out an association analysis for a candidate region, including ATOH7 for two populations: the Blue Mountains Eye Study and the TwinsUK cohort. We performed three linear regression models for (1) disc size adjusted on age, sex and intraocular pressure (IOP), (2) CDR adjusted on age, sex and IOP and (3) CDR adjusted on age, sex, IOP and disc size.Results A strong signal was found at rs7916697 for disc size. This single nucleotide polymorphism (SNP) was also associated with CDR adjusted on age, sex and IOP.However, this SNP was not associated with CDR when adjusted on age, sex, IOP and also disc size.Conclusions This study finds that ATOH7 is associated with optic disc size but not independently with CDR.

U2 - 10.1136/bjophthalmol-2013-304080

DO - 10.1136/bjophthalmol-2013-304080

M3 - Article

C2 - 24457358

SN - 0007-1161

VL - 98

SP - 562

EP - 566

JO - British Journal of Ophthalmology

JF - British Journal of Ophthalmology

IS - 4

ER -